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ONT to AUS: distance & flight time
Ontario (Ontario International Airport) → Austin (Austin Bergstrom International Airport)
1,194 mi
1,922 km · 1,038 nm
3h 4m
estimated nonstop flight time
+2h
time difference · heading east
See live ONT→AUS fares Phone-only fares on this route — call free
Flight time details
1,194 miles nonstop takes roughly 3h 4m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- AUS — Austin Bergstrom International Airport · Austin, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near AUS
- RND · Randolph Air Force Base59 mi away
- GRK · Robert Gray Army Air Field Airport61 mi away
- HLR · Hood Army Air Field65 mi away
- SAT · San Antonio International Airport66 mi away
Frequently asked questions
How far is ONT from AUS?
The flight distance from Ontario (ONT) to Austin (AUS) is 1,194 miles (1,922 km, 1,038 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to AUS?
A nonstop flight takes about 3h 4m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Ontario and Austin?
Austin is 2 hours ahead of Ontario.
What is the cheapest way to fly from ONT to AUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–AUS that never appear on search engines, with no booking fees.